Files.app: Provide detailed change information on onDirectoryChanged event

chrome/browser/chromeos/drive/file_system/touch_operation_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/drive/file_system/touch_operation.h"
 
 #include "base/files/file_path.h"
 #include "base/time/time.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/file_errors.h"
@@ skipping 30 matching lines @@
   EXPECT_EQ(FILE_ERROR_OK, error);
 
   ResourceEntry entry;
   EXPECT_EQ(FILE_ERROR_OK, GetLocalResourceEntry(kTestPath, &entry));
   EXPECT_EQ(base::Time::FromUTCExploded(kLastAccessTime),
             base::Time::FromInternalValue(entry.file_info().last_accessed()));
   EXPECT_EQ(base::Time::FromUTCExploded(kLastModifiedTime),
             base::Time::FromInternalValue(entry.file_info().last_modified()));
   EXPECT_EQ(ResourceEntry::DIRTY, entry.metadata_edit_state());
 
-  EXPECT_EQ(1U, observer()->get_changed_paths().size());
-  EXPECT_TRUE(observer()->get_changed_paths().count(kTestPath.DirName()));
+  EXPECT_EQ(1U, observer()->get_changed_files().size());
+  EXPECT_TRUE(observer()->get_changed_files().count(kTestPath));
 
   EXPECT_EQ(1U, observer()->updated_local_ids().size());
   EXPECT_TRUE(observer()->updated_local_ids().count(entry.local_id()));
 }
 
 }  // namespace file_system
 }  // namespace drive